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Let our non-commissioned product advisors help you select the best filter to achieve your observation goals! Whether you need filters for astrophotography or visual use we'll help you find the perfect filter to complement your equipment.


Bring out as much detail as possible in your celestial targets with OIII, ultra high contrast, and hydrogen filters perfect for astrophotography. Or get more details on planets with neutral density, Skyglow, Longpass and color filters. We offer high-quality deep sky and planetary filters from manufacturers like Lumicon, Baader Planetarium, Celestron, TeleVue, Meade, Orion, High Point & Thousand Oaks.

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  • Baader Planetarium 2
    Baader Planetarium Baader S-II 8 nm Narrowband CCD Filter - 2" Mounted - FSIIN-2
    $234.00
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    free shipping
  • Baader SII High Speed f/2 CCD Filter
    Baader Planetarium Baader f/2 High Speed SII CCD Filter - 2" Mounted - FSIIHS-2
    $352.00
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    free shipping
  • Astronomik 2
    Astronomik Filters Astronomik SII 12 nm CCD Filter - 2" - SII-2
    $289.95
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    free shipping
  • Astronomik 2
    Astronomik Filters Astronomik SII 6 nm CCD Filter - 2" - SII6-2
    $469.95
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    free shipping
  • Baader Planetarium 2
    Baader Planetarium Baader Planetarium Ultra Narrowband 4.5 nm SII CCD Filter - 2" - FSIINU-2
    $419.00
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    free shipping
  • Optolong Optolong SII CCD 6.5nm Filter - 2" Mounted - SIICCD65-200
    $250.00
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    free shipping
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